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Gear accuracy: KHK W 002: Grade 2 Surface treatment: None Pressure angle: 20° Tooth surface finish: None Tooth cutting reference surface: Hole (H7) Heat treatment: None Additional workability: Possible Module: 4 Number of teeth: 50 Hole diameter (mm): φ20 Tooth profile: Ordinary teeth Shape: H9 Tooth width (mm): 30 Number of teeth: 1 Tooth width (mm): 60 Boss diameter (mm): φ90 Tooth tip circle diameter (φ): 212 Hole length: 212 Twist direction: R Tooth width b(mm): 30 Standard diameter D(mm):200 蠕虫扭曲方向和链数(mm):r 1
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